1124122340 has 96 divisors (see below), whose sum is σ = 2650475520. Its totient is φ = 396950400.

The previous prime is 1124122303. The next prime is 1124122343. The reversal of 1124122340 is 432214211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1124122343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3131081 + ... + 3131439.

It is an arithmetic number, because the mean of its divisors is an integer number (27609120).

Almost surely, 2^1124122340 is an apocalyptic number.

1124122340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124122340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325237760).

1124122340 is an abundant number, since it is smaller than the sum of its proper divisors (1526353180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1124122340 is a wasteful number, since it uses less digits than its factorization.

1124122340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1124122340 is about 33527.9337269686. The cubic root of 1124122340 is about 1039.7713809603.

Adding to 1124122340 its reverse (432214211), we get a palindrome (1556336551).

The spelling of 1124122340 in words is "one billion, one hundred twenty-four million, one hundred twenty-two thousand, three hundred forty".